#include<stdio.h>
int main()
{
    float a,b,c,t;
    scanf("%f%f%f",&a,&b,&c);
    if(a > b)
    {
        t = a;
        a = b;
        b = t;
    }
    if(a > c)
    {
        t = a;
        a = c;
        c = t;
    }
    if(b > c)
    {
        t = b;
        b = c;
        c = t;
    }
    printf("%5.2f,%5.2f,%5.2f",a,b,c);
    return 0;
}